<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <title>图片插入练习</title>
</head>
<body>
显示1.png<img src="../../1.png" alt="">
<br>
显示2.png<img src="../2.png" alt="">
<br>
显示3.png<img src="3.png" alt="">
<br>
显示4.png<img src="c/4.png" alt="">
<br>
显示5.png<img src="c/d/5.png" alt="">
<br>
</body>
</html>